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        <h2>
          <span class="refentrytitle">exciter</span>
        </h2>
        <p>exciter — 
      A non-linear filter system to excite the signal.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp101454400"></a>
        <h2>Description</h2>
        <p>
      "Filtered distortion to add brilliance to a signal"
    </p>
      </div>
      <div class="refsect1">
        <a id="idp101495648"></a>
        <h2>Syntax</h2>
        <pre class="synopsis">ares <span class="command"><strong>exciter</strong></span> asig, kfreq, kceil, kharmonics, kblend</pre>
      </div>
      <div class="refsect1">
        <a id="idp101497664"></a>
        <h2>Initialization</h2>
      </div>
      <div class="refsect1">
        <a id="idp101498464"></a>
        <h2>Performance</h2>
        <p>
      <span class="emphasis"><em>asig</em></span> -- input signal
    </p>
        <p>
      <span class="emphasis"><em>kfreq</em></span> -- the lower end of the harmonics created.
    </p>
        <p>
      <span class="emphasis"><em>kceil</em></span> -- the upper end of the harmonics created.
    </p>
        <p>
      <span class="emphasis"><em>kharmonics</em></span> -- amount of harmonics in the range 0.1 - 10.
    </p>
        <p>
      <span class="emphasis"><em>kblend</em></span> -- blend between 2nd and 3rd order
      harmonics in the range -10 - +10.
    </p>
        <p>
      <span class="emphasis"><em>exciter</em></span> is a reimplementation of the calf
      exciter plugin.
    </p>
      </div>
      <div class="refsect1">
        <a id="idp101504464"></a>
        <h2>Examples</h2>
        <p>
      Here is an example of the exciter opcode. It uses the file <a class="ulink" href="examples/exciter.csd" target="_top"><em class="citetitle">exciter.csd</em></a>.
      </p>
        <div class="example">
          <a id="idp101506320"></a>
          <p class="title">
            <strong>Example 231. Example of the exciter opcode.</strong>
          </p>
          <div class="example-contents">
            <p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
            <pre class="programlisting">
<span class="csdtag">&lt;CsoundSynthesizer&gt;</span>
<span class="csdtag">&lt;CsOptions&gt;</span>
<span class="comment">; Select audio/midi flags here according to platform</span>
-odac     <span class="comment">;;;real-time audio out</span>
<span class="comment">;-iadc    ;;;uncomment -iadc if RT audio input is needed too</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o exciter.wav -W ;;; for file output any platform</span>
<span class="csdtag">&lt;/CsOptions&gt;</span>
<span class="csdtag">&lt;CsInstruments&gt;</span>

<span class="ohdr">sr</span><span class="op">=</span>44100
<span class="ohdr">ksmps</span><span class="op">=</span>32
<span class="ohdr">nchnls</span><span class="op">=</span>2
<span class="ohdr">0dbfs</span> <span class="op">=</span>1

<span class="oblock">instr</span> 1 <span class="comment">; excited sound + original sound</span>

a1 <span class="opc">diskin2</span> "fox.wav", 1
a2 exciter a1, 3000, 20000, 10, 10	<span class="comment">;generate uneven harmonics at maximum setting</span>
     <span class="opc">outs</span> a2<span class="op">+</span>a1, a2<span class="op">+</span>a1
<span class="oblock">endin</span>

<span class="oblock">instr</span> 2 <span class="comment">; original sound for comparison</span>

a1 <span class="opc">diskin2</span> "fox.wav", 1
   <span class="opc">outs</span> a1, a1
<span class="oblock">endin</span>

<span class="oblock">instr</span> 3 <span class="comment">; the effect of the excited sound only</span>

a1 <span class="opc">diskin2</span> "fox.wav", 1
a2 exciter a1, 3000, 20000, 10, 10	<span class="comment">;generate uneven harmonics at maximum setting</span>
   <span class="opc">outs</span> a2, a2
<span class="oblock">endin</span>

<span class="csdtag">&lt;/CsInstruments&gt;</span>
<span class="csdtag">&lt;CsScore&gt;</span>
<span class="stamnt">i</span>1 0 3
<span class="stamnt">i</span>2 3 3
<span class="stamnt">i</span>3 6 3
<span class="stamnt">e</span>
<span class="csdtag">&lt;/CsScore&gt;</span>
<span class="csdtag">&lt;/CsoundSynthesizer&gt;</span>
</pre>
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        <p><br class="example-break" />
    </p>
      </div>
      <div class="refsect1">
        <a id="idp101512688"></a>
        <h2>Credits</h2>
        <p>
      </p>
        <table border="0" summary="Simple list" class="simplelist">
          <tr>
            <td>Author: John ffitch after Markus Schmidt</td>
          </tr>
          <tr>
            <td>August 2014</td>
          </tr>
        </table>
        <p>
    </p>
        <p>New in Csound version 6.04</p>
      </div>
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